After you complete chapter 4 and take the tram to the Medical Lab, you will have a fight with the thing on the wall, it shoots pods at you. After it's dead, listen closely to the intercom...it should say "Calling Dr. Howard, Dr. Fine, Dr. Howard" A reference... more

Once one has reached Chapter 10: End of Days, upon entering the lobby area near the tram system there will be several movie posters on the walls, one will be for a movie called Rancid Moon. If you look closely though, and are playing on an Xbox 360, the... more

I found this in chapter 10, but it should be on the walls earlier in the game.
On the walls in chapter 10 is a poster ad for a movie that is called Rancid Moon, which is the name that Glen Shofield (the executive producer) originaly wanted to give the... more

Start the game from the beginning and keep going until you're in the part of the first level where you're talking to Hammond and Kendra about fixing the Tram System. In one of the chairs in the room there is a
magazine that is titled Interstellar Sports... more